A wind turbine with a generator, comprising: a rotor comprising permanent magnets and arranged around an axis of rotation; a stator arranged radially inward from the rotor, the stator comprising: stator coils; a circular inner base structure; a circular outer base structure on which the stator coils are mounted; and a plurality of connection structures, each of the plurality of connection structures separated axially and radially extending between the circular inner base structure and the circular outer base structure forming a hollow chamber between the circular inner base structure, outer base structure and the plurality of connection structures, wherein the hollow chamber is ventilated, and wherein the plurality of connection structures are connected to the circular inner base structure and connected to the circular outer base structure. view more

The wind turbine according to claim 1, wherein the inner base structure comprises radially protruding flanges on which the connection structures are mounted.

The wind turbine according to claim 2, wherein the plurality of connection structures are circular.

The wind turbine according to claim 1, wherein the plurality of connection structures are connected to the circular inner base structure and/or the circular outer base structure by welding.

The wind turbine according to claim 1, wherein the plurality of connection structures are connected to the circular inner base structure such that each of the plurality of connection structures are parallel.

A rotor hub for a wind turbine, comprising: a hollow shell defining an interior; and an annular member integral part of or connectable to a bearing, wherein the rotor hub is adapted to be connected to a plurality of rotor blades, wherein the bearing is adapted to rotatably mount the rotor hub to a stationary main shaft of the wind turbine, wherein the annular member protrudes inwards into the interior of the rotor hub; and wherein the annular member extends axially inwards into the interior from a side of the hollow shell configured to face, when the wind turbine is assembled, the stationary main shaft of the wind turbine. view more

The rotor hub of claim 1, wherein the annular member extends radially inwards from an inner surface of the hollow shell.

A wind turbine, comprising: a stationary main shaft arranged within a nacelle of the wind turbine; a rotor hub comprising a hollow shell defining an interior; and a plurality of rotor blades extending radially outwards from the rotor hub, wherein the rotor hub is rotatably mounted to the stationary main shaft via a bearing, and wherein the bearing is arranged within the interior of the rotor hub and connected to a section of the stationary main shaft protruding into the interior of the rotor hub; wherein the rotor hub is rotatably mounted to the stationary main shaft via at least two bearings; wherein at least one of the two bearings is located in the interior of the rotor hub; wherein one of the at least two bearings is configured to support at least an axial load; and the other of the at least two bearings is configured to support at least a radial load. view more

The wind turbine as claimed in claim 8, wherein a rotor of a generator is attached to the rotor hub and a stator of the generator is attached to the stationary main shaft.